Home / 2,271,813.28-3,135,111.28-1,239,343.13

Finding the Fourth Proportional to 2,271,813.28, 3,135,111.28 and 1,239,343.13

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Solution

The fourth proportional to 2,271,813.28, 3,135,111.28 and 1,239,343.13 is: 1,710,298.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,271,813.28 : 3,135,111.28 = 1,239,343.13 : x
  2. Step 2: Convert to fraction form
    2,271,813.28/3,135,111.28 = 1,239,343.13/x
  3. Step 3: Cross multiply
    2,271,813.28x = 3,135,111.28 × 1,239,343.13
  4. Step 4: Simplify right side
    2,271,813.28x = 3,885,478,631,392.93
  5. Step 5: Solve for x
    x = 3,885,478,631,392.93/2,271,813.28
  6. Step 6: Final answer
    x = 1,710,298.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.